Drop by the reference desk to participate in a Halloween-themed scavenger hunt and win a prize, while supplies last. For ages 3 to 13. How to Attend Register by 5 p.m. Wednesday, October 7. Chicago Public Library cannot collect personal information online from kids 0 to 13. A parent or guardian's email address must be used to register. As a reminder, school email addresses may block external emails such as those from CPL. Accessibility Need sign language interpretation or other accessibility assistance for this event? Please call (312) 747-8184 or email access@chipublib.org to request accommodations. Requests must be made at least 14 business days before the event. #chicagofallfest